OFFSET
1,1
COMMENTS
Row 4 of A212471
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..1....2....1....1....3....2....3....2....2....0....0....1....1....1....1....0
..1....0....0....0....1....1....2....1....1....0....1....1....1....0....1....0
..0....0....2....1....0....0....3....1....0....0....2....3....0....0....1....2
..0....0....3....2....2....3....1....0....0....1....1....0....0....2....1....2
..2....1....0....3....0....0....0....3....0....1....1....2....3....0....3....0
..0....0....1....0....2....0....0....1....3....2....0....0....1....0....0....1
..3....2....1....0....0....2....0....1....1....1....0....0....0....1....1....0
..0....0....0....0....1....3....3....2....1....0....2....2....2....2....1....3
..3....3....3....3....1....0....2....1....1....0....3....1....2....2....3....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 17 2012
STATUS
approved